6 best LLM gateways for developers in

LLM gateways serve as an intermediary infrastructure layer that simplifies the integration and management of multiple model providers by allowing developers to use a single API endpoint for various models. Notable gateways like Braintrust Gateway stand out by offering a unified API that includes routing, observability, evaluation, and encrypted caching, which are beneficial for developers managing multi-model workflows in one platform. These gateways, such as Braintrust Gateway and OpenRouter, offer features like automatic provider fallbacks, caching, and cost tracking, which reduce the complexity of maintaining separate provider SDKs, authentication setups, and billing systems. Open-source options like LiteLLM and Helicone provide flexibility for self-hosting and integrating additional observability tools, while Portkey caters to enterprise needs with compliance controls and governance features. The gateways differ in deployment options, provider coverage, and pricing models, with some focusing more on routing and model access and others integrating evaluation and observability for a comprehensive development workflow.

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